CONTINUE/NOT STOPcontinuing strongly and never becoming tired or weak 持久的;不倦的;(经久)不衰的
his unflagging energy
他旺盛不衰的精力
Examples from the Corpus
unflagging• Her unflaggingambition more than made up for her lack of education.• In practicebruteconsistencybreeds believability and it's unflagging consistency that convinces others of personalcommitment.• The sound of his unflaggingfootsteps was his only company.• Dating from 1911 they not only show how he moved towards complete abstraction but also his unflagging inventiveness.• As such, he had shown unflagging support for the Axis cause.